Error Logging Implementation Status - December 2025

Date: 2025-12-16 Original Plan: Error logging system upgrade v0.1.23.5 → v0.2.0 Implementation Status: ~60% Complete

What Was Planned

5-phase implementation over 15-17 hours:

Phase 1: Event buffering foundation
Phase 2: Agent event buffering integration
Phase 3: Error integration (critical failures)
Phase 4: Event reporting system
Phase 5: UI integration (optional for v0.2.0)

What's Been Implemented

✅ Infrastructure (Phases 1-2):

Event buffer package: aggregator-agent/internal/event/buffer.go (135 lines)
SystemEvent models in both agent and server
Database schema: migration 019_create_system_events_table.sql
Event buffering integration in migration paths

✅ P0 Critical Error Points (Partial Phase 3):

Migration error reporting integrated
Some agent failure points instrumented

❌ Still Missing (Remaining Phase 3):

Agent startup failure event logging
Registration failure event logging
Token renewal failure event logging
Complete scanner subsystem failure coverage

❌ Event Reporting (Phase 4):

Agent check-in doesn't report buffered events
Server doesn't process events from check-in payload
No batch event reporting mechanism

❌ UI Integration (Phase 5):

Not started (marked as optional for v0.2.0)

Key Files

Original Plan: docs/4_LOG/December_2025/2025-12-16_Error-Logging-Implementation-Plan.md Agent Buffer: aggregator-agent/internal/event/buffer.go Models: aggregator-agent/internal/models/system_event.go Migration: aggregator-server/internal/database/migrations/019_create_system_events_table.up.sql

Technical Debt

Event buffer exists but not integrated into all failure paths
Server lacks event processing in agent check-in handler
Missing unit tests for event buffering under failure conditions
No performance benchmarks for high-volume event scenarios

Next Steps

For v0.2.0 release:

Integrate event logging into agent startup/registration paths
Add server-side event processing in agent check-in
Test event buffering under network failures
Document event schema for future extensions

Post-v0.2.0:

Implement UI event dashboard (Phase 5)
Add event retention policies
Create event analytics system

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